[INFO] cloning repository https://github.com/N9199/market_sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/N9199/market_sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN9199%2Fmarket_sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN9199%2Fmarket_sim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5fa5c84de957b0f1d0bf50c960d4f720f66e297e
[INFO] checking N9199/market_sim against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN9199%2Fmarket_sim" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/N9199/market_sim on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/N9199/market_sim
[INFO] finished tweaking git repo https://github.com/N9199/market_sim
[INFO] tweaked toml for git repo https://github.com/N9199/market_sim written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/N9199/market_sim already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rusqlite/rusqlite`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sum_type v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48a753b74ef7b4349fb95ca4c32a3d43644d96a1d6da3e826869592d823abfd4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "48a753b74ef7b4349fb95ca4c32a3d43644d96a1d6da3e826869592d823abfd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48a753b74ef7b4349fb95ca4c32a3d43644d96a1d6da3e826869592d823abfd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a753b74ef7b4349fb95ca4c32a3d43644d96a1d6da3e826869592d823abfd4", kill_on_drop: false }`
[INFO] [stdout] 48a753b74ef7b4349fb95ca4c32a3d43644d96a1d6da3e826869592d823abfd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c1d2fbf887d3f7457095f9e48082c329270de8090eba09102d5cafa99858303d
[INFO] running `Command { std: "docker" "start" "-a" "c1d2fbf887d3f7457095f9e48082c329270de8090eba09102d5cafa99858303d", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking sum_type v0.2.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.21.0 (https://github.com/rusqlite/rusqlite#bd96f61e)
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking hashlink v0.6.0
[INFO] [stderr]     Checking rusqlite v0.24.2 (https://github.com/rusqlite/rusqlite#bd96f61e)
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking market_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `io` should have an upper camel case name
[INFO] [stdout]  --> src/io/sql.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct io {
[INFO] [stdout]   |            ^^ help: convert the identifier to upper camel case (notice the capitalization): `Io`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `io` should have an upper camel case name
[INFO] [stdout]  --> src/io/stdio.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct io {}
[INFO] [stdout]   |            ^^ help: convert the identifier to upper camel case (notice the capitalization): `Io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `sql` should have an upper camel case name
[INFO] [stdout]  --> src/io.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         sql(rusqlite::Error),
[INFO] [stdout]   |         ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `io` should have an upper camel case name
[INFO] [stdout]  --> src/io.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         io(std::io::Error),
[INFO] [stdout]   |         ^^ help: convert the identifier to upper camel case (notice the capitalization): `Io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `empty` should have an upper camel case name
[INFO] [stdout]   --> src/io.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct empty {}
[INFO] [stdout]    |            ^^^^^ help: convert the identifier to upper camel case: `Empty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `io` should have an upper camel case name
[INFO] [stdout]  --> src/io/sql.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct io {
[INFO] [stdout]   |            ^^ help: convert the identifier to upper camel case (notice the capitalization): `Io`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `io` should have an upper camel case name
[INFO] [stdout]  --> src/io/stdio.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct io {}
[INFO] [stdout]   |            ^^ help: convert the identifier to upper camel case (notice the capitalization): `Io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `sql` should have an upper camel case name
[INFO] [stdout]  --> src/io.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         sql(rusqlite::Error),
[INFO] [stdout]   |         ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `io` should have an upper camel case name
[INFO] [stdout]  --> src/io.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         io(std::io::Error),
[INFO] [stdout]   |         ^^ help: convert the identifier to upper camel case (notice the capitalization): `Io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `empty` should have an upper camel case name
[INFO] [stdout]   --> src/io.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct empty {}
[INFO] [stdout]    |            ^^^^^ help: convert the identifier to upper camel case: `Empty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]   --> src/simulation/sim.rs:87:60
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn sim<T: IO>(companies: &mut Vec<Company>, runs: u32, out: T) {
[INFO] [stdout]    |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/io.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn write(&mut self, info: &Vec<(usize, f64)>) -> Result<(), Error> {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `companies`
[INFO] [stdout]   --> src/io.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn save(&mut self, companies: &Vec<Company>) -> Result<(), Error> {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_companies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/io.rs:26:24
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn load(&mut self, file: &str) -> Result<Vec<Company>, Error> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `price`
[INFO] [stdout]   --> src/io/sql.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |         for (id, price) in info {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_price`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/io/sql.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let time: usize = temp.last().unwrap_or(Ok(0))?;
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `companies`
[INFO] [stdout]   --> src/io/sql.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn save(&mut self, companies: &Vec<Company>) -> Result<(), Error> {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_companies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]  --> src/io/stdio.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn write(&mut self, info: &Vec<(usize, f64)>) -> Result<(), Error> {
[INFO] [stdout]   |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `companies`
[INFO] [stdout]   --> src/io/stdio.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn save(&mut self, companies: &Vec<Company>) -> Result<(), Error> {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_companies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/io/stdio.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let info = fs::read_to_string(file)?;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sim`
[INFO] [stdout]   --> src/simulation/sim.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn sim<T: IO>(companies: &mut Vec<Company>, runs: u32, out: T) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]   --> src/simulation/sim.rs:87:60
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn sim<T: IO>(companies: &mut Vec<Company>, runs: u32, out: T) {
[INFO] [stdout]    |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/io.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn write(&mut self, info: &Vec<(usize, f64)>) -> Result<(), Error> {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `companies`
[INFO] [stdout]   --> src/io.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn save(&mut self, companies: &Vec<Company>) -> Result<(), Error> {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_companies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/io.rs:26:24
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn load(&mut self, file: &str) -> Result<Vec<Company>, Error> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `price`
[INFO] [stdout]   --> src/io/sql.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |         for (id, price) in info {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_price`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/io/sql.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let time: usize = temp.last().unwrap_or(Ok(0))?;
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `companies`
[INFO] [stdout]   --> src/io/sql.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn save(&mut self, companies: &Vec<Company>) -> Result<(), Error> {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_companies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]  --> src/io/stdio.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn write(&mut self, info: &Vec<(usize, f64)>) -> Result<(), Error> {
[INFO] [stdout]   |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `companies`
[INFO] [stdout]   --> src/io/stdio.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn save(&mut self, companies: &Vec<Company>) -> Result<(), Error> {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_companies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/io/stdio.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let info = fs::read_to_string(file)?;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sim`
[INFO] [stdout]   --> src/simulation/sim.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn sim<T: IO>(companies: &mut Vec<Company>, runs: u32, out: T) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.33s
[INFO] running `Command { std: "docker" "inspect" "c1d2fbf887d3f7457095f9e48082c329270de8090eba09102d5cafa99858303d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1d2fbf887d3f7457095f9e48082c329270de8090eba09102d5cafa99858303d", kill_on_drop: false }`
[INFO] [stdout] c1d2fbf887d3f7457095f9e48082c329270de8090eba09102d5cafa99858303d